*** CHEMICAL IDENTIFICATION ***

RTECS NUMBER            : PM4780000
CHEMICAL NAME           : Methyl ether
CAS REGISTRY NUMBER     : 115-10-6
LAST UPDATED            : 199710
DATA ITEMS CITED        : 8
MOLECULAR FORMULA       : C2-H6-O
MOLECULAR WEIGHT        : 46.08
WISWESSER LINE NOTATION : 1O1
SYNONYMS/TRADE NAMES :
   * Demeon D
   * Dimethyl oxide
   * DME
   * Dymel A
   * Ether, dimethyl
   * Ether, methyl
   * Methane, oxybis-
   * Methoxymethane
   * Wood ether
 
                       *** HEALTH HAZARD DATA ***
 
                        ** ACUTE TOXICITY DATA **
 
TYPE OF TEST            : LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 308 gm/m3
TOXIC EFFECTS :
   Behavioral - general anesthetic
REFERENCE :
   TOXID9 Toxicologist.  (Soc. of Toxicology, Inc., 475 Wolf Ledge Parkway,
   Akron, OH 44311) V.1-    1981-  Volume(issue)/page/year: 1,79,1981
 
                 ** OTHER MULTIPLE DOSE TOXICITY DATA **
 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 2 pph/6H/30W-I
TOXIC EFFECTS :
   Liver - changes in liver weight
   Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)
REFERENCE :
   TXCYAC Toxicology.  (Elsevier Scientific Pub. Ireland, Ltd., POB 85,
   Limerick, Ireland) V.1-    1973-  Volume(issue)/page/year: 11,65,1978

                    *** OCCUPATIONAL EXPOSURE LIMITS ***
 
   OEL-GERMANY:TWA 1000 ppm (1910 mg/m3) JAN 1993

         *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA ***

NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA :
   NOHS - National Occupational Hazard Survey (1974)
     NOHS Hazard Code - 81811
       No. of Facilities: 897 (estimated)
       No. of Industries: 7
       No. of Occupations: 12
       No. of Employees: 50005 (estimated)
   
   NOES - National Occupational Exposure Survey (1983)
     NOES Hazard Code - 81811
       No. of Facilities: 223 (estimated)
       No. of Industries: 3
       No. of Occupations: 8
       No. of Employees: 2282 (estimated)
       No. of Female Employees: 75 (estimated)

                          *** STATUS IN U.S. ***
 
   EPA TSCA Section 8(b) CHEMICAL INVENTORY
   
   EPA TSCA Section 8(d) unpublished health/safety studies
   
   EPA TSCA TEST SUBMISSION (TSCATS) DATA BASE, JUNE 1998

 
                            *** END OF RECORD ***